Being in the statte of almost bisexuality. Like liking a person of the same sex, except the reproductive organ... which happens to be at the bottom

Comes from the combination of the word "Vertex" and "Bisexual." the vertex being the top part of something, ie above the waist of a human.
Person 1 : "no offense but it seems like a sexual relationship to me"

person 2 : "well if it is sexual it is from the waist up"

person 1: "so you're an above-the-waist lesbian"

person 1 : "yea, well, no, i still get turned on by looking at boys.

person 2: "So you're bisexual."

person 1 : "but im scared of other people's va-jay-jays"

person 2: "So you're-"

person 1: "NOT IN THE DICTIONARY ALRIGHT?!"

person 2: " i think you are vertisexual"
by Duckyllama July 26, 2009
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Vertisexual is defined as being sexually attracted to sea slugs. There is a seperate sexuality, Melibesexual, which applies to a very specific species of sea slug. Nobody knows why this exists, or what that specific sea slug even is, but everyone has come to accept it in order to avoid being cancelled.
"Hey, do you want to go out on a date?"
"Sorry, I'm Vertisexual."
"What?"
"It's like Melibesexual, but it applies to all sea slugs."
by name mam November 12, 2021
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